Finding the Fourth Proportional to 1,358,458.68, 1,874,683.08 and 746,621.85
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Solution
The fourth proportional to 1,358,458.68, 1,874,683.08 and 746,621.85 is: 1,030,343.70
Step by Step Solution
- Step 1: Write the proportion equation
1,358,458.68 : 1,874,683.08 = 746,621.85 : x - Step 2: Convert to fraction form
1,358,458.68/1,874,683.08 = 746,621.85/x - Step 3: Cross multiply
1,358,458.68x = 1,874,683.08 × 746,621.85 - Step 4: Simplify right side
1,358,458.68x = 1,399,679,349,353.30 - Step 5: Solve for x
x = 1,399,679,349,353.30/1,358,458.68 - Step 6: Final answer
x = 1,030,343.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.